CVE-2026-3342: WatchGuard Firebox Out of Bounds Write Vulnerability
WatchGuard · Fireware OS
Affected: WatchGuard Fireware OS · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 93% of scored CVEs
DescriptionCVE.org
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- WatchGuard · Fireware OSfrom 11.9 up to and including 11.12.4+541730; from 12.0 up to and including 12.11.7; from 12.5 up to and including 12.5.16; from 2025.1 up to and including 2026.1.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- WatchGuard
- Published
- March 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-3342 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.